Utah Code § 10-6-158

The governing body under the council-mayor optional form of government shall, and the governing body of any other city may, adopt a financial administration ordinance, which would, with appropriate budgetary controls, authorize the mayor, director of finance, or other official approved by the council, to act as the financial officer for the purpose of approving: (1) payroll checks, if the checks are prepared in accordance with a salary schedule established in a personnel ordinance or resolution; or (2) routine expenditures, such as utility bills, payroll-related expenses, supplies, materials, and payments on city-approved contracts and capital expenditures which were referenced in the budget document and approved by an appropriation resolution adopted for the current fiscal year.